Seventeen thousand years ago, a family carried an ailing toddler...

Clouds help cool the Earth by reflecting sunlight. But now,...

For years, people have chosen glass bottles for their beverages,...

Dogs did not dash into South America with the first...

For years the Denisovans lived only in gene sequencers and...

The European Space Agency’s Proba-3 mission has used artificial means...

The skies were empty for most of Earth’s history, but...

Earth’s magnetic field is not the steadfast guardian that most...

Lightning usually roars; on this particular night, it whispered. Far...

Volcanic islands, such as those in Hawaii and the Caribbean,...

On a windswept spur of Cookes Peak in Luna County,...